Seiwa Black Box 1000W 50/200kHz - Manual (Page 24)

26 User Manual
The Fish icons displayed are among four different shapes depending on the size of
the Target (Small, Med, Big, Huge).
3.1.10.5 Water Temperature
Allows you to choose the Water Temperature label displayed over the echogram
between Primary and External.
3.1.11 Transducer Setup
The Transducer Setup menu contains settings that does not require frequent
changes.
[MENU] + "Transducer Setup" + [ENTER]
Fig. 3.1.11 - Fish Finder Transducer menu
3.1.11.1 Keel Offset
It is the transducer depth offset from the surface. This makes it possible to meas-
ure depth from the surface instead of from the transducer's location.
3.1.11.2 Calibrate Sound Speed
Allows calibrating the value of Sound Speed in the water, depending on the water
temperature and salinity.
3.1.11.3 Calibrate Water Speed
Allows calibrating the value of Water Speed sensor. The calibration value, in the
range between -10% to +10%, will be applied to the water speed from the trans-
ducer.
3.1.11.4 Calibrate Water Temperature
Allows the calibration on the Water Temperature sensor. Using the readings from
a precise temperature measuring device, insert here a positive/negative offset to
display right value on Fish Finder screens.
3.1.11.5 Calibrate Aux Temperature
Allows the calibration of the Aux Temperature sensor. Using the readings from a
precise temperature measuring device, insert here a positive/negative offset to
display right value on FF screens.
3.1.12 Alarms
The Alarms menu allows you to define additional sonar alarm settings for Fish
Alarm, Shallow Alarm, Deep Alarm and Temperature Upper/Lower/Rate.
[MENU] + "Alarms" + [ENTER]
Fig. 3.1.12 - Fish Finder Alarms menu